Fabrication, characterisation and performance of hydrophilic and super-hydrophilic silica as cell culture surfaces

Hickman, G.J. ORCID: 0000-0002-4632-9229, Rai, A., Boocock, D.J. ORCID: 0000-0002-7333-3549, Rees, R.C. ORCID: 0000-0002-4574-4746 and Perry, C.C. ORCID: 0000-0003-1517-468X, 2012. Fabrication, characterisation and performance of hydrophilic and super-hydrophilic silica as cell culture surfaces. Journal of Materials Chemistry, 22 (24), pp. 12141-12148. ISSN 0959-9428


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We demonstrate a straightforward procedure for the controlled formation of silica films on tissue culture polystyrene (PS) surfaces. The films were formed by sequentially treating PS with polyaniline, glutaric dialdehyde and protein prior to silica formation. The films could be tailored to exhibit superhydrophilicity (contact angle < 5°) which was retained for more than two months under ambient conditions. Both hydrophilic and super-hydrophilic silica coated surfaces were suitable for the culture of an adherent human melanoma cell line. Proliferation, toxicity and adhesion assays were used to compare cell behaviour. Cells on the silica surfaces showed enhanced adhesion and comparable rates of cell proliferation as compared to cells grown on conventional tissue culture plastic. The results obtained can be understood by considering the surface properties of the different materials and the ability of the silica coated surfaces to adsorb significantly higher levels of serum proteins from the growth medium. One of the outcomes of this study is a re-evaluation of the hydrophobicity/hydrophilicity characteristics required for good cell growth and the possibility of designing new tissue culture materials capable of greater control over cell populations.

Item Type: Journal article
Publication Title: Journal of Materials Chemistry
Creators: Hickman, G.J., Rai, A., Boocock, D.J., Rees, R.C. and Perry, C.C.
Publisher: Royal Society of Chemistry
Place of Publication: Cambridge
Date: 2012
Volume: 22
Number: 24
ISSN: 0959-9428
Rights: © The Royal Society of Chemistry 2012
Divisions: Schools > School of Science and Technology
Record created by: EPrints Services
Date Added: 09 Oct 2015 10:37
Last Modified: 06 Sep 2021 15:51
URI: https://irep.ntu.ac.uk/id/eprint/15626

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